[ 1420.741489][ T5530] br1: port 1(veth1) entered blocking state
[ 1420.741766][ T5530] br1: port 1(veth1) entered disabled state
[ 1420.742033][ T5530] veth1: entered allmulticast mode
[ 1420.743864][ T5530] veth1: entered promiscuous mode
[ 1420.892349][   T52] br1: port 1(veth1) entered blocking state
[ 1420.892610][   T52] br1: port 1(veth1) entered forwarding state
[ 1455.698189][ T5621] br1: port 1(veth1) entered disabled state
[ 1455.845005][ T5623] veth1: left allmulticast mode
[ 1455.845226][ T5623] veth1: left promiscuous mode
[ 1455.846755][ T5623] br1: port 1(veth1) entered disabled state